- From: Garrett Smith <dhtmlkitchen@gmail.com>
- Date: Mon, 6 Jan 2014 10:37:49 -0800
- To: Henrik Andersson <henke@henke37.cjb.net>
- Cc: www-style@w3.org
On 1/6/14, Henrik Andersson <henke@henke37.cjb.net> wrote: > Garrett Smith skriver: >> For event bubbling, it is very useful to traverse up the DOM tree to >> find an ancestor. For example: >> >> findAncestorWithClass(el, className, /*opt*/ container); >> findAncestorWithAttribute(el, attName, /*opt*/ value); >> jqueryObj.closest(selectorText, /*opt*/ context) >> >> It would be useful to have an API that traverses up the DOM tree and >> tests each Element against a selector and returns either an Element or >> null. >> >> Proposal: >> >> querySelectorAncestor(startNode, selectorText[, optional Node >> container); >> >> If container is not specified, container is the root node. >> >> Let currentParent be startNode.parentNode. While currentParent is not >> container, if currentParent matches selectorText, it is returned. >> > > Might as well let people provide a callback that checks if each node is > desired or not. > Even more useful if there had been a Selector defined as a callable object, so that it would be interchangeable with function objects. -- Garrett @xkit ChordCycles.com garretts.github.io
Received on Monday, 6 January 2014 18:38:17 UTC